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Toshiba PORTEGE M400 User Manual

Page 148

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3 Tests and Diagnostics

3.11 Floppy Disk Test

3-30

[CONFIDENTIAL]

PORTEGE M400 Maintenance Manual (960-541)

Select the number of the subtest you want to execute and press Enter. The following
message will appear during the floppy disk test.

FLOPPY DISK IN PROGRESS XXXXXXX

xxx DIAGNOSTIC TEST VX.XX
[Ctrl]+[Break] : test end
[Ctrl]+[C]

: key stop

SUB-TEST

:

XX

PASS COUNT

: XXXXX

ERROR COUNT

: XXXXX

WRITE DATA

: XX

READ DATA

: XX

ADDRESS

: XXXXXX

STATUS :

XXX

When the subtest 04 or 05 is selected, the following messages will appear on the screen.
Select the test data

(subtest 04 only)

, track number and head number you want to test.

Test data ?? (subtest 04 only)
Track No. ??
Head No.

?

Subtest 01

Sequential read

This subtest performs a Cyclic Redundancy Check (CRC) that continuously
reads all the tracks (track: 0 to 39/0 to 79) on a floppy disk.

Subtest 02

Sequential read/write

This subtest continuously writes data pattern B5ADADh to all the tracks
(track: 0 to 39/0 to 79) on a floppy disk. The data is then read and compared
to the original data.

Subtest 03

Random address/data

This subtest writes random data to random addresses on all tracks (track: 0 to
39/0 to 79) on a floppy disk. The data is then read and compared to the
original data.

Subtest 04

Write specified address

This subtest writes the data specified by an operator to a specified track, head,
and address.

Subtest 05

Read specified address

This subtest reads data from a track, head, and address specified by an
operator.